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NCJ Number: 249340 Find in a Library
Title: Seasonal Variation of Postmortem Microbial Communities
Journal: Forensic Science Medicine and Pathology  Volume:11  Issue:2  Dated:June 2015  Pages:202-207
Author(s): David O. Carter; Jessica L. Metcalf; Alexander Bibat; Rob Knight
Date Published: June 2015
Page Count: 6
Sponsoring Agency: National Institute of Justice (NIJ)
Washington, DC 20531
Grant Number: 2011-DN-BX-K533
Document: HTML
Type: Report (Grant Sponsored); Report (Study/Research); Research (Applied/Empirical)
Format: Article; Document (Online)
Language: English
Country: United States of America
Annotation: This study investigated microbial succession in soils associated with swine carcasses under experimental field conditions in summer and winter.
Abstract: Body-associated microbes were recently shown to change significantly during decomposition, undergoing an ecological succession in experimental conditions using rodent and swine models. The current study demonstrated that these postmortem microbial communities change in a specific, reproducible fashion, and that soil microbes represent a significant component of the postmortem microbial community, contrary to widespread belief in forensic science; however, the effects of decomposition on soil microbial communities were different in summer and winter. The authors advise that the microbial ecological succession will be useful in medicolegal death investigations; however, observations in winter might not be applicable to summer, which indicates a need for a greater understanding of the seasonality of decomposition. (Publisher abstract modified)
Main Term(s): Forensic sciences
Index Term(s): Death investigations; Investigative techniques; NIJ grant-related documents; NIJ Resources; Time of death determination
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